Spark Plug - DAELIM ROADWIN 125 FI Manual

SPARK PLUG

If electrode is stained or plug gap is not
right, satisfactory spark is not produced.
Recommended plug :
-Standard : CR8EH-9
-For cold climate : CR7EH-9
1. Remove the spark plug cover to remove
the spark plug.
2. Disconnect the spark plug cap from the
spark plug.
3. Clean any dirt from around the spark
plug base.
Remove the spark plug using the spark
plug wrench furnished in the tool kit.
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4. Inspect the electrode and center
porcelain for deposits, erosion or cabon
fouling. If the erosion or deposit is
heavy, replace the plug. Clean a carbon
or wet-fouled plug with a plug cleaner,
otherwise use a wire brush.
5. Check the spark plug gap using a wire-
type feeler gauge. If adjustment is
necessary, bend the side electrode
carefully.
The gap should be : 0.8~0.9mm
6. With the plug washer attached, thread
the spark plug in by hand to prevent
cross-threading.
7. Tighten the spark plug 1/2 turn with a
spark plug wrench to compress the
washer.
8. Reinstall the spark plug cap and the
spark plug cover.
CAUTION
If plug of different maker or different
heat value is used, it causes
unsatisfactory engine starting,
inadequate engine revolution and
output deterioration.
The spark plug must be securely
tightened. An improperly tightened
plug can become very hot and
possibly damage the engine.
To install a spark plug, turn it in as
far as possible with your fingers, then
tighten it with a wrench.
Do not overtighten or cross thread
the spark plug or the aluminum
threads of the cylinder head will be
damaged. Do not allow contaminants
to enter the engine through the spark
plug hole when the plug is removed.